package com.poem.handler;

import com.poem.constant.MessageConstant;
import com.poem.exception.BaseException;
import com.poem.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

    @ExceptionHandler
    public Result exceptionDuplicate(SQLIntegrityConstraintViolationException ex){
       String exceptionMessage = ex.getMessage();
       if (exceptionMessage.contains("Duplicate entry")){
           String[] split = exceptionMessage.split(" ");
           String msg = split[2] + MessageConstant.ACCOUNT_ALREADY_EXISTS;
           return Result.error(msg);
       }else{
           return Result.error(MessageConstant.UNKNOWN_ERROR);
       }

    }

}
